title: Nutritional aspects of aging.
mesh_terms: D000368:Aged; D000375:Aging; D001361:Avitaminosis / Q000175:diagnosis; D002118:Calcium / Q000172:deficiency; D006801:Humans; D000090463:Iron Deficiencies; D009748:Nutrition Disorders / Q000175:diagnosis*; D009747:Nutritional Physiological Phenomena; D011502:Protein-Energy Malnutrition / Q000175:diagnosis; D015032:Zinc / Q000172:deficiency
chemical_list: D015032:Zinc; D002118:Calcium